摘要 |
Disclosed are a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from the group consisting of Ni, Mn and Co, wherein at least one hetero element selected from the group consisting of Ti, Co, Al, Cu, Fe, Mg, B, Cr, Bi, Zn and Zr is located at a surface portion of or inside the lithium transition metal oxide, and a secondary battery including the same. The cathode active material according to the present invention includes predetermined hetero elements at a surface thereof and therein, and, as such, a secondary battery based on the cathode active material may exhibit excellent high-speed charge characteristics and lifespan characteristics. |
申请人 |
LG CHEM, LTD. |
发明人 |
PARK, BYUNG CHUN;KANG, SEONG HOON;KANG, MINSUK;JUNG, WANG MO;SHIN, HO SUK;PARK, SANG MIN;MIN, GEUNGI |